#1 Solving a rational equation that simplifies to quadratic (as)
#2 Solving a word problem with two unknowns using a linear
equation (AB)
#3 Solving a word problem with three unknowns using a linear
equation cfw_AB
#4 Finding the sale price given the orig
Worksheet 6 - Answer Key
Kyle Brubaker
March 5, 2017
1 What are the partial pressures of Oxygen and Nitrogen when the
total pressure equals 755 torr?
Ans: PO2 = 158torr, PN2 = 597torr
2 What is the partial pressure of each gas (O2 and He), and what
is the
Chemistry 1B Arasasingham
Types of Bonds:
Metallic: Metals
Ex. Na(s), K(s), Au(s), Ag(s), etc.
Ionic: Metal and electronegative atoms
Ex. NaCl, MgBr, KF, KBr, etc.
Covalent: Two electronegative atoms (usually makes up molecules)
Ex. HBr, CN-, CH3Cl, etc.
University of California, Riverside
Department of Mathematics
Final Exam
Mathematics 8B - First Year of Calculus
Sample 2 (APEX)
Instructions: This exam has a total of 100 points. You have 3 hours.
You must show all your work to receive full credit. You m
University of California, Riverside
Department of Mathematics
Final Exam
Mathematics 8B - First Year of Calculus
Sample 1 (APEX)
Instructions: This exam has a total of 100 points. You have 3 hours. You
must show all your work to receive full credit You ma
1.
2.
3.
4.If 14.6 mL of gaseous N2 effuses from a container through a pinhole in 22.8 s, what would be
the rate of effusion (mL/s) of CH4 under the same conditions?
5.Calculate the root mean square speed (rms) for gaseous C3H6 at 597 K.
6.
If a molecule
1. Which of the following can form hydrogen bonds with water? Which of the following are nonpolar molecules?
a. CH3CH2OH
b.(CH3)2CO
c.CH3CH2OCH2CH3
d. CH3CH2CH2NH2
e.C6H6
2. Identify the kind of intermolecular forces that might arise between molecules of
1. What type(s) of intermolecular forces exist between the following pairs?
a. HBr and H2S
b. Cl2 and CBr4
c. I2 and NO32. Explain the term polarizability. What kind of molecules tend to have high polarizabilities?
What is the relationship between polariz
1. An argon canister for the system has a volume of 55.0 mL and contains 26.0 g of argon.
Assuming ideal gas behavior, what is the pressure in the canister at 295 K?
2. A 248 mL gas sample has a mass of 0.433 g at a pressure of 745 mm Hg and a temperature
1. Which of the following can act as both hydrogen bond donor and hydrogen bond acceptor?
Which of the following can form hydrogen bonds with water? Which of the following are nonpolar molecules?
a. CH3CH2OH
b.(CH3)2CO
c.CH3CH2OCH2CH3
d. CH3CH2CH2NH2
e.C6
1. The thermite reaction, in which powdered aluminum reacts with Iron (III) oxide, is highly
exothermic
2 Al(s) + Fe2O3 (s) Al2O3
Use standard enthalpies of formation to find Hrxn for the thermite reaction.
answer: -851.5 kJ
2. Arrange these compounds in
Chem 1B Midterm Review (Murray)
Michael Zakharian
1). Internal energy of an ideal gas depends on:
i. the volume of the ideal gas
ii. the pressure of the ideal gas
iii. the absolute temperature of the ideal gas
(A) I
(B) II
(C) III
(D) I and II
(E) I, II a
Page 1 maximum = 5 points
Last name:_ UCI ID: _ Circle the final answers & units!
Problem 1 (1 pt total). Which process releases the greatest amount of heat in the surroundings? Select one
answer; no explanations needed.
Refer to page 467 of the textbook
First & last name:_ UCI ID: _ Circle final numeric answers !
This file contains examples of problems that may appear on the exams. Note that these are merely
randomly chosen examples from the past; to be more prepared to the exam you should review various
Page: A-1, B-5, C-4, D-3
Last name:_ UCI ID: _ Circle the final answers & units!
Problem A1,B14,C11,D8 (1 pts total). Choose the thermochemical equation that illustrates Hf for Li2SO4. Select one
answer; no explanations needed.
A)
B)
C)
D)
E)
F)
2 Li+(aq)
First & last name:_ UCI ID: _ Circle final numeric answers !
This file contains examples of problems that may appear on the exams. Note that these are merely
randomly chosen examples from the past; to be more prepared to the exam you should review various
GCPT: Chem 1B Holton Midterm 1 Review Packet
Michael:
1) The graph shows the changes in pressure with changing temperature of gas samples of
helium and argon confined in a 2-liter vessel.
a) What is the total pressure of the two gasses in the container at
In case you ran out of sample problems, here are a few more for your final exam practice. The
numbering continues from the document containing the sample problems provided at the
beginning of the quarter. NOTE: not all of the problems are formatted as mul
Chem1B: Holton Spring 16 - Midterm I Review
Lylys Portion
[1] The air pressure for a certain tire is 133.2 kPa. What is this pressure in atmospheres?
[2]
a) If the pressure in a container triples, by what factor will volume change?
b) Pressure and tempera
Each problem: circle ONE answer on this exam AND bubble ONE answer into the Scantron
1.
(2 points) An animal cell assumes its normal volume when it is placed in a solution with a total solute
molarity of 0.3 M. What happens if the cell is placed in a solu
1. An argon canister for the system has a volume of 55.0 mL and contains 26.0 g of argon.
Assuming ideal gas behavior, what is the pressure in the canister at 295 K?
2. A 248 mL gas sample has a mass of 0.433 g at a pressure of 745 mm Hg and a temperature
Lyly Week 2
Office Hours: M 2-4pm @ RH517
[email protected]
Chem1B Holton
[1] The air pressure for a certain tire is 109 kPa. What is this pressure in
atmospheres?
[2] An experiment is performed at an atmospheric pressure of 758.7 mmHg. What is
this pressure
Chem 1B Holton
GCPT
Emily Lim Wk2
1. If a nitrogen gas has a volume of 500mL at a pressure of 0.971 atm, what volume
will the gas occupy at a pressure of 1.50atm, assuming the temperature remains
constant?
2. A sample of argon has a volume of 0.43 mL at 2
Chem 1B Holton
Week 10
Michael Zakharian
1)How many moles of gas are contained in 890.0 mL at 21.0 C and 750.0 mm Hg pressure?
2)1.09 g of H2 is contained in a 2.00 L container at 20.0 C. What is the pressure in this
container in mmHg?
3)Calculate the vol
Should be 0.477 g/L (I was in a hurry and miscalculated)
I meant to circle "A" (molarity). Lost points because of
being careless. Important to verify the answers!
Chemistry 1B (40280)
Professor Donald R. Blake
Rm. 570 Rowland Hall
[email protected]
Office hours: Tuesdays 11 am - 12 pm & Thursdays 2-3 pm
Teaching Assistants:
Jason Schroeder: Rowland Hall 529
Lauren Fleming: Rowland Hall 539
Textbook: Chemistry
VER B 40240
Multiple Choice questions are worth 2 points each.
A 1) Choose the substance with the highest Viscosity.
water at 10°C
B) water at 20°C
C) water at 30°C
D) water at 40°C
E) Water at 50°C
D 2) Identify the type of solid for ice.
A) metallic ato
40280 FiNAi. Version A / @
Multipie Choice Questions, CIRCLE the answer, 2 points each.
1. Which of the following can form intermolecularl) drogen bonds?
A) PH; B) Hi C) CH3CH2CH2CH2CH3 HCOOH E) CH3CH20CH2CH3
2. What are all the intermolecular forces that